Frederick T. McDermott (November 20, 1906 – February 24, 2003) was an American politician from Medford, Massachusetts.

[2] McDermott was elected to the Medford school committee in 1931 and served for eight years.

[1] He was the Democratic nominee for the United States House of Representatives seat in Massachusetts's 8th congressional district in 1942 and 1944, but lost to Angier Goodwin both times.

As part of the change, the office of mayor change to a ceremonial position elected by the city council and McDermott's fellow councilors chose him to serve as the first mayor under the new setup.

After leaving the Senate, McDermott was the assistant to the Massachusetts Registrar of Motor Vehicles.